Home / 40,176,000.80-60,264,001.20-13,248,231.20

Finding the Fourth Proportional to 40,176,000.80, 60,264,001.20 and 13,248,231.20

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Solution

The fourth proportional to 40,176,000.80, 60,264,001.20 and 13,248,231.20 is: 19,872,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176,000.80 : 60,264,001.20 = 13,248,231.20 : x
  2. Step 2: Convert to fraction form
    40,176,000.80/60,264,001.20 = 13,248,231.20/x
  3. Step 3: Cross multiply
    40,176,000.80x = 60,264,001.20 × 13,248,231.20
  4. Step 4: Simplify right side
    40,176,000.80x = 798,391,420,934,677.38
  5. Step 5: Solve for x
    x = 798,391,420,934,677.38/40,176,000.80
  6. Step 6: Final answer
    x = 19,872,346.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.